/* Copyright (c) 2008 LepomisLab.com, Andrey Turkin
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "NSMutableSet.h"
#include "NSKeyedUnarchiver.h"

IMPLEMENT_DYNAMIC_CLASS(NSMutableSet, NSObject)

using namespace std;

typedef set<wxObject*> ns_set;

 NSMutableSet::NSMutableSet(void) : NSObject()
{
	_set = new ns_set();
}

void NSMutableSet::initWithUnarchiver(NSKeyedUnarchiver *archiver)
{
	delete _set;
	_set = new ns_set();
	wxObject *_k = archiver->decodeArrayObjectForKey(wxT("NS.objects"));
	if (_k)
	{
		NSArray *keys = wxDynamicCast(_k, NSArray);
		wxASSERT(keys);
		size_t len = keys->length();
		for(size_t l = 0; l < len; l++)
		{
			wxObject *val = keys->getObject(l);
			wxASSERT(val);
			_set->insert(val);
		}
	} else {
		for(size_t l = 0; ; l++)
		{
			wxString key_n;
			key_n.Format(wxT("NS.object.%u"), l);
			wxObject *val = archiver->decodeObjectForKey(key_n);
			if (!val)
				break;
			_set->insert(val);
		}
	}
}

class NSMutableSetEnumerator : public NSEnumerator
{
public:
	NSMutableSetEnumerator(ns_set *set)
	{
		this->set = set;
		i = set->begin();
	}
	wxObject *NextObject()
	{
		if (i==set->end())
			return NULL;
		return *(i++);
	}
private:
	ns_set *set;
	ns_set::iterator i;
};


NSEnumerator *NSMutableSet::enumerator(void)
{
	return new NSMutableSetEnumerator(_set);
}
